let {log} = console;
let btn = document.querySelector("#btn");
let s1 =  Symbol('1')
let s2 =  Symbol('1')
let mapQual = array=>{
    return _.map(array,value=>Math.abs(value))
}
let max = array=>{
    return Math.max(...array)
}

let date = new Date();
let a = [{a:1}]
log(_.contains([1,2],1));